Rationalize the denominator and simplify.
A. 6
B. 
C. 127
D. 
Answer: B
Mathematics
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Graph the function.y = -x2 + 3
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of y, or state that y is undefined.y = cos-1 
A. 
B. 
C. - 
D. 
Mathematics
Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = 2t - 1, y = t2 + 4; -4 ? t ? 4
A. y = - 
x + 30; -6 ? x ? 4
B. y = x2 + 1; -2 ? x ? 2
C. y = 
x2 + 1; -6 ? x ? 4
D. y = 
x2 + 
x + 
; -9 ? x ? 7
Mathematics
Use the function 
to find 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics